Massive Solar Storms Slammed Into Earth 1000 Years Ago. What If They Strike Again

Solar storms can create beautiful auroras, but they also have the potential to damage satellites and cause widespread power outages. Now scientists have confirmed that at least two such 'extreme' solar storms, battered the Earth 1,000-years-ago. They warned that solar storms could be much more powerful than first thought and if they strike again, they could cause chaos and blackouts.